package com.tailyou.androidlearning2426.kotlin

fun main() {
    print("Please input telephone number:")
    val telephone = readln().replace(" ", "").replace("-", "")
    println(telephone)
    if (telephone.length != 11) {
        println("Telephone is Valid")
    } else {
        val q3 = telephone.substring(0, 3)
        val h4 = telephone.substring(7, 11)
        println("$q3****$h4")
    }
}